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- #include <sys/cdefs.h>
- #include <sys/param.h>
- #include <sys/systm.h>
- #include <xen/xen-os.h>
- #include <xen/hypervisor.h>
- #include <xen/features.h>
- uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32] /* __read_mostly */;
- void
- setup_xen_features(void)
- {
- xen_feature_info_t fi;
- int i, j;
- for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
- fi.submap_idx = i;
- if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
- break;
- for (j = 0; j < 32; j++)
- xen_features[i*32 + j] = !!(fi.submap & 1<<j);
- }
- }
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